:root {
  --bg: #0b0b0f;
  --panel: #14141b;
  --panel2: #1b1b24;
  --border: #272737;
  --text: #e9e9f0;
  --muted: #a6adbb;
  --pri: #8B008B;
  --green: #32CD32;
  --red: #DC143C;
  --amber: #f59e0b;
  --blue: #3b82f6;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ── TOP BAR ── */
.top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  background: linear-gradient(180deg, var(--panel), #0e0e14);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 12px 30px rgba(0,0,0,.35);
  position: sticky;
  top: 0;
  z-index: 10;
}
.top-bar .brand { display: flex; align-items: center; gap: 12px; }
.top-bar img { width: 36px; height: 36px; object-fit: contain; filter: drop-shadow(0 4px 12px rgba(0,0,0,.6)); }
.top-bar h1 { font-size: 22px; margin: 0; font-weight: 700; }
.top-bar .actions { display: flex; gap: 10px; }

/* ── LAYOUT ── */
.page {
  flex: 1;
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 20px;
  padding: 24px;
  min-height: 0;
}

/* ── PANEL ── */
.panel {
  background: var(--panel2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 16px 40px rgba(0,0,0,.35);
  overflow: auto;
}
.panel header h2 { margin: 0; font-size: 20px; }
.panel header .hint { margin-top: 4px; font-size: 13px; color: var(--muted); }

/* ── FORM ── */
.form-grid {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
}
.form-grid label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 14px;
}
.form-grid label span { font-weight: 600; color: var(--text); }
.form-grid label.required span::after { content: ' *'; color: var(--amber); }
.form-grid input, .form-grid select, #parentSearch {
  background: #161622;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 9px 12px;
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
  width: 100%;
  outline: none;
  transition: border-color .15s;
}
.form-grid input:focus, .form-grid select:focus, #parentSearch:focus {
  border-color: var(--pri);
  box-shadow: 0 0 0 2px rgba(139,0,139,.2);
}
#parentSearch {
  border-color: rgba(139,0,139,.3);
  background: #12121e;
}
#parentSearch::placeholder { color: var(--muted); }
.field-hint { font-size: 11px; color: var(--muted); margin-top: 2px; }
.span-2 { grid-column: span 2; }
.id-field { display: flex; gap: 8px; }
.id-field input { flex: 1; }
.form-actions { margin-top: 18px; display: flex; gap: 12px; }

/* ── BUTTONS ── */
.btn {
  border: 1px solid var(--border);
  background: #1e1e2a;
  color: #fff;
  padding: 9px 14px;
  border-radius: 10px;
  cursor: pointer;
  text-decoration: none;
  font-weight: 600;
  font-size: 13px;
  font-family: inherit;
  transition: background .2s;
  white-space: nowrap;
}
.btn:hover { background: #26263a; }
.btn.primary { background: var(--pri); border-color: rgba(255,255,255,.08); }
.btn.primary:hover { background: #a20fa2; }
.btn.ghost { background: transparent; border-color: transparent; }
.btn.ghost:hover { background: rgba(255,255,255,.05); }
.btn.small { padding: 6px 10px; font-size: 12px; }
.btn.danger { background: rgba(220,20,60,.18); border-color: rgba(220,20,60,.4); color: #ffc5d2; }
.btn.danger:hover { background: rgba(220,20,60,.3); }
.btn:disabled { opacity: .4; cursor: not-allowed; }

.form-message { margin-top: 14px; font-size: 13px; min-height: 18px; line-height: 1.4; }
.form-message.info    { color: var(--muted); }
.form-message.success { color: var(--green); }
.form-message.error   { color: var(--red); }

/* ── LIST PANEL ── */
.list-panel { display: flex; flex-direction: column; gap: 14px; }
.list-header { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; }
.list-header h2 { margin: 0; font-size: 18px; }
.list-header p  { margin: 3px 0 0; font-size: 12px; color: var(--muted); }
.list-tools { display: flex; gap: 10px; flex-wrap: wrap; }
.list-tools input, .list-tools select {
  background: #161622;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 12px;
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
  outline: none;
}
.list-tools input:focus, .list-tools select:focus {
  border-color: var(--pri);
}

/* ── TABLE ── */
.table-wrap {
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 12px;
  max-height: calc(100vh - 300px);
  flex: 1;
}
.carriers-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
  background: #12121e;
}
.carriers-table th, .carriers-table td {
  padding: 9px 13px;
  border-bottom: 1px solid rgba(255,255,255,.04);
  text-align: left;
  font-size: 12px;
  vertical-align: middle;
}
.carriers-table thead {
  background: #1a1a2a;
  position: sticky;
  top: 0;
  z-index: 1;
}
.carriers-table thead th {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .4px;
  text-transform: uppercase;
  color: var(--muted);
}
.carriers-table tbody tr:nth-child(even) { background: rgba(255,255,255,.01); }
.carriers-table tbody tr:hover { background: rgba(139,0,139,.1); }
.carriers-table td.empty {
  text-align: center;
  padding: 24px;
  color: var(--muted);
  font-style: italic;
}

/* ── BADGES ── */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
}
.badge.online      { background: rgba(50,205,50,.15);  color: #7ef07e; }
.badge.offline     { background: rgba(220,20,60,.18);  color: #f7aabb; }
.badge.maintenance { background: rgba(245,158,11,.18); color: #fbc77a; }
.badge.type        { background: rgba(59,130,246,.18); color: #93c5fd; }

.table-actions { display: flex; gap: 5px; flex-wrap: wrap; }
.muted { color: var(--muted); font-size: 11px; margin-top: 2px; }

/* ── PAGINATOR ── */
.paginator {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 10px 0 4px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}
.page-info {
  font-size: 12px;
  color: var(--muted);
  min-width: 130px;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

/* ── FOOTER ── */
.footer {
  padding: 16px 24px;
  text-align: center;
  font-size: 12px;
  color: var(--muted);
  background: #0e0e14;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

/* ── RESPONSIVE ── */
@media (max-width: 1100px) {
  .page { grid-template-columns: 1fr; height: auto; }
  .form-grid { grid-template-columns: repeat(1, minmax(0,1fr)); }
  .form-grid .span-2 { grid-column: auto; }
  .list-header { flex-direction: column; align-items: stretch; }
  .table-wrap { max-height: 420px; }
  .panel { overflow: visible; }
}
@media (max-width: 640px) {
  .top-bar { flex-direction: column; align-items: flex-start; gap: 12px; }
  .top-bar .actions { width: 100%; }
  .top-bar .actions .btn { flex: 1; text-align: center; }
  .page { padding: 12px; gap: 14px; }
}